Easy -1.8 This is a straightforward conceptual question testing basic understanding of census vs sample and sampling frames, with minimal calculation or problem-solving. It requires only recall of definitions and simple application to a real-world context—well below average A-level difficulty.
The small village of Tornep has a preservation society which is campaigning for a new by-pass to be built. The society needs to measure
the strength of opinion amongst the residents of Tornep for the scheme and
the flow of traffic through the village on weekdays.
The society wants to know whether to use a census or a sample survey for each of these measures.
(a) In each case suggest which they should use and specify a suitable sampling frame.
For the measurement of traffic flow through Tornep,
(b) suggest a suitable statistic and a possible statistical model for this statistic.
\begin{enumerate}
\item The small village of Tornep has a preservation society which is campaigning for a new by-pass to be built. The society needs to measure\\
(i) the strength of opinion amongst the residents of Tornep for the scheme and\\
(ii) the flow of traffic through the village on weekdays.
\end{enumerate}
The society wants to know whether to use a census or a sample survey for each of these measures.\\
(a) In each case suggest which they should use and specify a suitable sampling frame.
For the measurement of traffic flow through Tornep,\\
(b) suggest a suitable statistic and a possible statistical model for this statistic.\\
\hfill \mbox{\textit{Edexcel S2 2001 Q1 [6]}}